Granny 13 opens with Nicola Ratti's 'Odd Doubt'. With the use of a modular system and tape loops, a broken rhythm is obtained by contrasting single LFO sound signals and processed tapes. On side B, Giovanni Lami's 'Johnny Leech' is made with a small bunch of equipment, a chaotic hand-made synth (cacophonator) and a memoryman, working mainly on static electricity and leakage current on the synth, which was used without any kind of power supply.